Outdoor type Compressor Controller Device includes some standard features like start/stop sequencing, compressor surge control, motor overload protection and typical operational protection. The Compressor Controller Device offers historical data trending and event logging to aid the user in troubleshooting, machine setup and tuning. The Compressor Controller Device is based on standard Allen-Bradley PLC hardware and a large user friendly colour operator interface. The Outdoor type Compressor Controller Device is provided with uninterruptible power supply system to ensure consistent performance.